Home / 13,078,024.13-18,047,656.40-8,114,619.44

Finding the Fourth Proportional to 13,078,024.13, 18,047,656.40 and 8,114,619.44

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Solution

The fourth proportional to 13,078,024.13, 18,047,656.40 and 8,114,619.44 is: 11,198,164.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,078,024.13 : 18,047,656.40 = 8,114,619.44 : x
  2. Step 2: Convert to fraction form
    13,078,024.13/18,047,656.40 = 8,114,619.44/x
  3. Step 3: Cross multiply
    13,078,024.13x = 18,047,656.40 × 8,114,619.44
  4. Step 4: Simplify right side
    13,078,024.13x = 146,449,863,474,426.47
  5. Step 5: Solve for x
    x = 146,449,863,474,426.47/13,078,024.13
  6. Step 6: Final answer
    x = 11,198,164.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.